<script lang="ts" setup name="LoginForm">
import Message from "@/components/message";
import { ref, watch } from "vue";
import useStore from "@/store";
import { useRouter, useRoute } from "vue-router";
import { useField, useForm } from "vee-validate";

const { user } = useStore();
const router = useRouter();
const route = useRoute();
const type = ref<"account" | "mobile">("account");

// 登录账号
const form = ref({
  account: "",
  password: "",
  isAgree: false,
});

// 表单的数据验证
const { validate, resetForm } = useForm({
  // 设置验证规则
  validationSchema: {
    account(value: string) {
      // 只有return true才是校验成功，其它都是校验失败
      // 非空校验
      if (!value) return "请输入用户名";
      // 规则：6~20位 且以字母开头    \w(word) \W  \d(digital) \D  \s(space)  \S
      if (!/^[a-zA-Z]\w{5,19}$/.test(value)) return "字母开头且6-20个字符";
      return true;
    },
    password(value: string) {
      if (!value) return "请输入密码";
      // 长度6~24位
      if (!/\w{6,24}/.test(value)) return "密码6-20个字符";

      return true;
    },
    isAgree(value: boolean) {
      if (!value) return "请同意隐私条款";
      return true;
    },
    mobile(value: string) {
      if (!value) return "请输入手机号";
      if (!/^1[3-9]\d{9}$/.test(value)) return "手机号不合法";
      return true;
    },
    code(value: string) {
      if (!value) return "请输入验证码";
      if (!/^\d{6}$/.test(value)) return "验证码不合法";
      return true;
    },
  },
});

const { value: account, errorMessage: accountError } =
  useField<string>("account");
const { value: password, errorMessage: passwordError } =
  useField<string>("password");
const { value: isAgree, errorMessage: isAgreeError } =
  useField<boolean>("isAgree");
const {
  value: mobile,
  errorMessage: mobileError,
  validate: mobileValidate,
} = useField<string>("mobile");
const { value: code, errorMessage: codeError } = useField<string>("code");

// 监听登录方式的切换
watch(type, () => {
  resetForm();
});

// 账号登录
const login = async () => {
  // 1.验证数据的合法性
  // 2.ajax发送请求
  // 3.token保存(pinia localStorage)
  // 4.跳转到首页

  // 类似element的兜底校验
  const res = await validate();

  // console.log('ajax发送请求');

  if (type.value === "account") {
    // 账号登录
    if (res.errors.account || res.errors.password || res.errors.isAgree) return;
    await user.login(account.value, password.value);
  } else {
    // 验证码登录
    if (res.errors.mobile || res.errors.code || res.errors.isAgree) return;
    await user.loginMobile(mobile.value, code.value);
  }
  // 登录成功后，合并购物车
  const { cart } = useStore();
  cart.mergeLocalCart();
  Message({ type: "success", text: "登录成功" });
  const redirectUrl = (route.query.redirectUrl as string) || "/";
  router.push(redirectUrl);
};

// 点击获取验证码
const mobileRef = ref<HTMLInputElement | null>(null);
const time = ref(0);
const send = async () => {
  if (time.value > 0) return;
  // 1.校验手机号的合法性
  const res = await mobileValidate();
  if (!res.valid) {
    mobileRef.value?.focus();
    return;
  }
  // 2.ajax发送手机号到服务器, 手机可以得到验证码
  await user.sendMobileMsg(mobile.value);
  Message.success("验证码成功");

  // 3.开启倒计时
  time.value = 5;
  let timeId = -1;
  timeId = window.setInterval(() => {
    time.value--;
    if (time.value <= 0) {
      clearInterval(timeId);
    }
  }, 1000);
};

// QQ登录
// 1.去QQ互联注册成为开发者
// 2.创建应用 => 应用的appid(应用标识  appid知道为小兔鲜服务)
</script>
<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" v-if="type === 'mobile'" @click="type = 'account'">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" v-else @click="type = 'mobile'">
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <div class="form">
      <template v-if="type === 'account'">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input
              v-model="account"
              type="text"
              placeholder="请输入用户名或手机号"
            />
          </div>
          <div class="error" v-if="accountError">
            <i class="iconfont icon-warning" />{{ accountError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <input
              v-model="password"
              type="password"
              placeholder="请输入密码"
            />
          </div>
          <div class="error" v-if="passwordError">
            <i class="iconfont icon-warning" />{{ passwordError }}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input
              v-model="mobile"
              type="text"
              placeholder="请输入手机号"
              ref="mobileRef"
            />
          </div>
          <div class="error" v-if="mobileError">
            <i class="iconfont icon-warning" />{{ mobileError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <input v-model="code" type="text" placeholder="请输入验证码" />
            <span class="code" @click="send">{{
              time === 0 ? "发送验证码" : `${time}s后发送`
            }}</span>
          </div>
          <div class="error" v-if="codeError">
            <i class="iconfont icon-warning" />{{ codeError }}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <XtxCheckbox v-model="isAgree">我已同意</XtxCheckbox>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <div class="error" v-if="isAgreeError">
          <i class="iconfont icon-warning" />{{ isAgreeError }}
        </div>
      </div>
      <a href="javascript:;" class="btn" @click="login">登录</a>
    </div>
    <div class="action">
      <!-- <img
        src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png"
        alt=""
      /> -->
      <a
        href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback"
      >
        <img
          src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png"
          alt=""
        />
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;
    a {
      color: @xtxColor;
      i {
        font-size: 14px;
      }
    }
  }
  .form {
    padding: 0 40px;
    &-item {
      margin-bottom: 28px;
      .input {
        position: relative;
        height: 36px;
        > i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }
        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;
          &.error {
            border-color: @priceColor;
          }
          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }
        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }
      > .error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;
        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }
    .agree {
      a {
        color: #069;
      }
    }
    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;
      &.disabled {
        background: #cfcdcd;
      }
    }
  }
  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    img {
      cursor: pointer;
    }
    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
